4 PRINTER OPERATION ............................................................................... 43
4.1. INDICATOR AND KEY FUNCTIONS .................................................... 43
4.1.1. Meaning of the Indicator Behavior ................................................. 43
4.1.2. Control Panel Key Functions ......................................................... 45
4.2. DOCUMENT PRINTING ........................................................................ 46
4.2.1. Procedure for Printing Documents ................................................. 46
5 USER LEVEL TROUBLESHOOTING ......................................................... 48
5.1. OPERATING FAULTS ............................................................................. 48
5.1.1. When Powering Up, the Printer does not Start Up ........................ 48
5.1.2. The Printer does not Receive Print Data ....................................... 49
5.1.3. The Paper is not Feeding ............................................................... 49
5.1.4. Poor Print Quality ........................................................................... 50
5.1.5. Frequent Error Signals ................................................................... 50
5.2. CLEARING A DOCUMENT JAM ........................................................... 53
5.2.1. Procedure for Clearing a Document Jam ....................................... 53
6 PRINTER MAINTENANCE .......................................................................... 54
6.1. PERIODIC MAINTENANCE RECOMMENDATIONS ............................ 54
6.1.1. Maintenance Schedule ................................................................... 54
6.2. PROCEDURES PRIOR TO PERIODIC MAINTENANCE...................... 55
6.2.1. General Dusting ............................................................................. 55
6.2.2. Cleaning the Printhead and the Platen .......................................... 58
6.3. RETURNING THE PRINTER TO OPERATING CONDITION AFTER
PERIODIC MAINTENANCE ............................................................................. 60
6.3.1. Procedure to Follow Prior to Operating the Printer ........................ 60